using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using SurveyBackend.Core.Contexts;
using SurveyBackend.DTOs.Question;
using SurveyBackend.Mappers;
using SurveyLib.Core.Services;

namespace SurveyBackend.Controllers;

/// <inheritdoc />
[ApiController]
[Route("api/surveys/{surveyId}/questions")]
public class QuestionController : ControllerBase
{
    private readonly IQuestionService _questionService;

    /// <inheritdoc />
    public QuestionController(IQuestionService questionService, IUserContext userContext)
    {
        _questionService = questionService;
    }

    /// <summary>
    /// Возвращает список вопросов из опроса по его ID
    /// </summary>
    /// <remarks>Получение вопросов по ID опроса. В случае отсутствия опроса с таким идентификатором выкидывает 404</remarks>
    /// <param name="surveyId"></param>
    /// <returns></returns>
    [AllowAnonymous]
    [HttpGet]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [ProducesResponseType(typeof(List<QuestionOutputDto>), StatusCodes.Status200OK)]
    public async Task<IActionResult> GetBySurveyId([FromRoute] int surveyId)
    {
        var questions = await _questionService.GetQuestionsBySurveyIdAsync(surveyId);
        var result = questions.Select(QuestionMapper.ModelToQuestionDto).ToList();
        return Ok(result);
    }

    /// <summary>
    /// Добавить вопрос к опросу
    /// </summary>
    /// <remarks>К опросу с указанным ID добавляет вопрос. Если я правильно написал, при отсутствии такого опроса кинет 404</remarks>
    /// <param name="dto"></param>
    /// <param name="surveyId"></param>
    /// <returns></returns>
    [Authorize]
    [HttpPost]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    [ProducesResponseType(StatusCodes.Status200OK)]
    public async Task<IActionResult> AddQuestion(QuestionCreateDto dto, [FromRoute] int surveyId)
    {
        var model = QuestionMapper.QuestionCreationToModel(dto, surveyId);
        await _questionService.AddQuestionAsync(model);
        var result = QuestionMapper.ModelToQuestionDto(model);
        return Ok(result);
    }

    /// <summary>
    /// Обновляет вопрос целиком
    /// </summary>
    /// <param name="dto"></param>
    /// <param name="id"></param>
    /// <param name="surveyId"></param>
    /// <returns></returns>
    [Authorize]
    [HttpPut]
    [Route("/api/questions/{id:int}")]
    public async Task<IActionResult> UpdateQuestion([FromBody] QuestionUpdateDto dto, [FromRoute] int id)
    {
        var question = QuestionMapper.QuestionUpdateToModel(dto, id);
        await _questionService.UpdateQuestionAsync(question);
        var result = QuestionMapper.ModelToQuestionDto(question);
        return Ok(result);
    }

    /// <summary>
    /// Удаляет вопрос по его ID
    /// </summary>
    /// <param name="id"></param>
    /// <param name="surveyId"></param>
    /// <returns></returns>
    [Authorize]
    [HttpDelete]
    [Route("/api/questions/{id:int}")]
    public async Task<IActionResult> DeleteQuestion([FromRoute] int id)
    {
        await _questionService.DeleteQuestionAsync(id);
        return Ok();
    }
}